Arthrocentesis
关节穿刺术
🗣️ 情景例句
I need to fit a fourth operation into his schedule.
我得在他的工作表上再加第四个手术。
You will leap for joy when you hear the answer.
如果你听到了答案，你会高兴的跳起来的。
Like exercise books, rulers, pens, colour pencils, erasers and maps.
像练习本、格尺、钢笔、彩色铅笔、橡皮和地图等。